840190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:324

約数の個数: 32

約数和(自身を含む): 1705536

約数和(自身を除く): 865346

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 281, 299, 562, 598, 1405, 1495, 2810, 2990, 3653, 6463, 7306, 12926, 18265, 32315, 36530, 64630, 84019, 168038, 420095, 840190]

約数ペア:

[(1, 840190), (2, 420095), (5, 168038), (10, 84019), (13, 64630), (23, 36530), (26, 32315), (46, 18265), (65, 12926), (115, 7306), (130, 6463), (230, 3653), (281, 2990), (299, 2810), (562, 1495), (598, 1405)]